CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue	$ 683,430	$ 768,179	$ 2,043,798	$ 2,139,545
Cost of goods and services	408,806	507,578	1,340,857	1,452,459
Gross profit	274,624	260,601	702,941	687,086
Selling, general and administrative expenses	172,439	157,387	485,460	442,577
Intangible asset impairment	0	0	100,000	0
Total operating expenses	172,439	157,387	585,460	442,577
Income from operations	102,185	103,214	117,481	244,509
Other income (expense)
Interest expense	(25,641)	(24,022)	(75,168)	(61,111)
Interest income	434	61	774	126
Gain on sale of building	0	0	10,852	0
Debt extinguishment, net	0	(5,287)	0	(5,287)
Other, net	1,475	2,084	2,375	4,528
Total other expense, net	(23,732)	(27,164)	(61,167)	(61,744)
Income before taxes from continuing operations	78,453	76,050	56,314	182,765
Provision for income taxes	29,248	23,268	20,662	55,119
Income from continuing operations	49,205	52,782	35,652	127,646
Discontinued operations:
Income from operations of discontinued operations	0	113,457	0	117,777
Provision for income taxes	0	25,952	0	20,149
Income from discontinued operations	0	87,505	0	97,628
Net income	$ 49,205	$ 140,287	$ 35,652	$ 225,274
Basic earnings per common share:
Income from continuing operations (in dollars per share)	$ 0.94	$ 1.02	$ 0.68	$ 2.48
Income from discontinued operations (in dollars per share)	0	1.69	0	1.89
Basic earnings per common share (in dollars per share)	$ 0.94	$ 2.71	$ 0.68	$ 4.37
Basic weighted-average shares outstanding (in shares)	52,304	51,734	52,640	51,527
Diluted earnings per common share:
Income from continuing operations (in dollars per share)	$ 0.90	$ 0.98	$ 0.65	$ 2.38
Income from discontinued operations (in dollars per share)	0	1.62	0	1.82
Diluted earnings per common share (in dollars per share)	$ 0.90	$ 2.60	$ 0.65	$ 4.19
Diluted weighted-average shares outstanding (in shares)	54,602	53,914	55,087	53,704
Dividends paid per common share (in dollars per share)	$ 2.125	$ 0.09	$ 2.325	$ 0.27
Other comprehensive income (loss), net of taxes:
Foreign currency translation adjustments	$ 2,309	$ (17,823)	$ 14,580	$ (14,093)
Pension and other post retirement plans	747	1,196	2,355	2,004
Change in cash flow hedges	(2,741)	2,450	(1,788)	110
Total other comprehensive income (loss), net of taxes	315	(14,177)	15,147	(11,979)
Comprehensive income, net	$ 49,520	$ 126,110	$ 50,799	$ 213,295